Have a look at the Google doc for the full listing of all the releases. As with every update not all albums listed may be available in your country and some tracks previously available may no longer be playable due to regional restrictions.

Comments

@drfm I got that message when I backuped all my cache data to another partition because I was running out of space. Changing the cache directory to my backed up folder solved the problem, though. Guess Spotify thought that I was trying to save the offline playlists to another device or something.